A German historian stumbled across a series of saddening photos secretly taken during the beginning stages of the Holocaust of Jewish families being deported from their homes by the Nazi regime.

The thirteen photos taken over 80 years ago illuminate one of the most sinister points in history, showing henchmen of the Third Reich forcing Jewish families and members of the community in the Silesian city of Breslau, today Wrocław in Poland, to gather outside a restaurant near the train station for deportation.